The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
API GROUP CORP COM 00187Y100 33,592 1,650,716 SH   DFND   0 1,425,497 225,219
ADVANCED ENERGY INDUSTRIES, IN COM 007973100 37,114 422,954 SH   DFND   0 365,250 57,704
AGILYSYS INC. COM 00847J105 41,812 798,541 SH   DFND   0 689,483 109,058
ALLEGHANY CORP COM 017175100 14,677 23,506 SH   DFND   0 23,506 0
AMETEK INC. COM 031100100 54,530 439,719 SH   DFND   0 439,719 0
AMPHENOL CORP. CL A COM 032095101 57,365 783,350 SH   DFND   0 783,350 0
ANALOG DEVICES INC COM 032654105 21,852 130,474 SH   DFND   0 130,474 0
ATMOS ENERGY CORP. COM 049560105 11,152 126,435 SH   DFND   0 126,435 0
AVID BIOSERVICES INC. COM 05368M106 38,415 1,780,935 SH   DFND   0 1,537,865 243,070
BWX TECHNOLOGIES COM 05605H100 102,770 1,908,103 SH   DFND   0 1,843,289 64,814
BIO TECHNE CORP COM 09073M104 14,764 30,469 SH   DFND   0 30,469 0
BRINK'S CO, THE COM 109696104 28,026 442,742 SH   DFND   0 382,076 60,666
BRIXMOR PROPERTY GROUP, INC. COM 11120U105 56,182 2,541,031 SH   DFND   0 2,193,979 347,052
BROWN & BROWN INC. COM 115236101 24,962 450,173 SH   DFND   0 450,173 0
CACI INTERNATIONAL COM 127190304 76,199 290,724 SH   DFND   0 251,027 39,697
CMC MATERIALS INC. COM 12571T100 31,029 251,801 SH   DFND   0 217,457 34,344
CABOT CORP. COM 127055101 77,990 1,556,062 SH   DFND   0 1,399,769 156,293
CATALENT INC. COM 148806102 43,962 330,371 SH   DFND   0 330,371 0
CHARLES RIVER LABORATORIES COM 159864107 56,550 137,034 SH   DFND   0 137,034 0
CHARLES SCHWAB CORP COM 808513105 21,742 298,485 SH   DFND   0 298,485 0
CLEAN HARBORS INC. COM 184496107 173,515 1,670,500 SH   DFND   0 1,537,035 133,465
COGNEX CORP COM 192422103 31,335 390,609 SH   DFND   0 337,287 53,322
COHERENT INC. COM 192479103 22,406 89,591 SH   DFND   0 77,355 12,236
COPART INC. COM 217204106 29,145 210,096 SH   DFND   0 210,096 0
DORMAN PRODUCTS INC. COM 258278100 26,491 279,821 SH   DFND   0 241,678 38,143
EOG RESOURCES INC. COM 26875P101 8,417 104,858 SH   DFND   0 104,858 0
EMERGENT BIOSOLUTIONS INC COM 29089Q105 42,247 843,754 SH   DFND   0 750,758 92,996
ENTEGRIS INC. COM 29362U104 206,556 1,640,638 SH   DFND   0 1,520,764 119,874
FMC CORP COM 302491303 58,826 642,488 SH   DFND   0 642,488 0
FTI CONSULTING COM 302941109 22,124 164,246 SH   DFND   0 141,842 22,404
FIRST AMERICAN FINANCIAL COM 31847R102 20,943 312,346 SH   DFND   0 312,346 0
GLACIER BANCORP INC. COM 37637Q105 25,531 461,260 SH   DFND   0 398,326 62,934
GRACO INC. COM 384109104 64,805 926,187 SH   DFND   0 831,014 95,173
HALOZYME THERAPEUTICS INC. COM 40637H109 139,430 3,427,476 SH   DFND   0 3,138,481 288,995
HEICO CORP - CLASS A COM 422806208 74,481 628,904 SH   DFND   0 563,999 64,905
HELEN OF TROY LTD. COM G4388N106 90,743 403,878 SH   DFND   0 362,622 41,256
HENRY SCHEIN, INC. COM 806407102 57,210 751,179 SH   DFND   0 751,179 0
HEXCEL CORP COM 428291108 13,289 223,765 SH   DFND   0 223,765 0
HOSTESS BRANDS INC. COM 44109J106 46,692 2,688,069 SH   DFND   0 2,321,096 366,973
HUNTINGTON BANCSHARES INC. COM 446150104 30,951 2,001,999 SH   DFND   0 2,001,999 0
IAA INC. COM 449253103 60,043 1,100,293 SH   DFND   0 974,880 125,413
IDEX CORP. COM 45167R104 89,051 430,300 SH   DFND   0 383,343 46,957
II-VI INCORPORATED COM 902104108 29,357 494,562 SH   DFND   0 447,180 47,382
INGEVITY CORP COM 45688C107 39,100 547,853 SH   DFND   0 472,754 75,099
INGREDION INC. COM 457187102 90,908 1,021,327 SH   DFND   0 940,547 80,780
KBR, INC. COM 48242W106 73,589 1,867,730 SH   DFND   0 1,613,063 254,667
KAMAN CORP COM 483548103 19,359 542,729 SH   DFND   0 468,677 74,052
KAR AUCTION SERVICES INC. COM 48238T109 103,017 6,285,383 SH   DFND   0 5,797,015 488,368
KEYSIGHT TECHNOLOGIES COM 49338L103 22,703 138,191 SH   DFND   0 138,191 0
LKQ CORP COM 501889208 30,129 598,750 SH   DFND   0 598,750 0
LIGAND PHARMACEUTICALS COM 53220K504 17,685 126,941 SH   DFND   0 109,615 17,326
MARKEL CORP. COM 570535104 11,453 9,583 SH   DFND   0 9,583 0
MASTERCARD, INC. CL-A COM 57636Q104 19,620 56,431 SH   DFND   0 56,431 0
MEDTRONIC PLC COM G5960L103 17,262 137,707 SH   DFND   0 137,707 0
MERCURY SYSTEMS INC. COM 589378108 29,630 624,845 SH   DFND   0 538,569 86,276
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 13,340 71,435 SH   DFND   0 71,435 0
MINERALS TECHNOLOGIES INC COM 603158106 24,189 346,349 SH   DFND   0 299,099 47,250
NATIONAL RETAIL PROPERTIES COM 637417106 23,045 533,563 SH   DFND   0 533,563 0
PDF SOLUTIONS, INC. COM 693282105 28,531 1,238,304 SH   DFND   0 1,069,485 168,819
PACIFIC PREMIER BANCORP INC COM 69478X105 43,984 1,061,394 SH   DFND   0 916,673 144,721
POWER INTEGRATIONS INC. COM 739276103 84,736 856,008 SH   DFND   0 739,138 116,870
PROSPERITY BANCSHARES, INC. COM 743606105 68,919 968,918 SH   DFND   0 872,023 96,895
R1 RCM INC. COM 749397105 36,047 1,637,744 SH   DFND   0 1,414,088 223,656
RBC BEARINGS INC. COM 75524B104 90,247 425,290 SH   DFND   0 377,148 48,142
RLI CORP. COM 749607107 32,901 328,129 SH   DFND   0 283,363 44,766
SENSIENT TECHNOLOGIES CORP COM 81725T100 38,659 424,446 SH   DFND   0 366,558 57,888
SIMPSON MANUFACTURING COM 829073105 31,113 290,853 SH   DFND   0 251,172 39,681
STERIS PLC COM G8473T100 23,612 115,587 SH   DFND   0 115,587 0
SYNOPSYS INC. COM 871607107 45,242 151,105 SH   DFND   0 151,105 0
TEXAS PACIFIC LD CORP COM 88262P102 7,601 6,285 SH   DFND   0 6,285 0
UGI CORP. COM 902681105 153,694 3,606,149 SH   DFND   0 3,323,602 282,547
UNITED COMMUNITY BANKS, INC. O COM 90984P303 59,558 1,814,684 SH   DFND   0 1,566,974 247,710
VALVOLINE INC. COM 92047W101 20,805 667,244 SH   DFND   0 574,975 92,269
VISA INC-CLASS A SHARES COM 92826C839 18,695 83,930 SH   DFND   0 83,930 0
WASTE CONNECTIONS INC. COM 94106B101 83,127 660,103 SH   DFND   0 660,103 0
WESTERN ALLIANCE BANCORP COM 957638109 82,488 758,022 SH   DFND   0 758,022 0
WOODWARD INC. COM 980745103 84,269 744,426 SH   DFND   0 667,814 76,612